Robotics-Controlled Imaging Coming to Penn Vet’s New Bolton Center

Penn Vet’s New Bolton Center, in collaboration with Four Dimensional Digital Imaging (“4DDI”), will pioneer a first-ever, robotics-controlled imaging system for use in the standing and moving horse. Penn Vet is the first veterinary hospital in the world to own the revolutionary technology.

The four-robot system can perform multiple modalities, including computed tomography (CT), and will be used in conjunction with a high-speed treadmill.

The EQUIMAGINE™ imaging system will be capable of capturing the equine anatomy in a way never before possible, while the horse is awake, load-bearing, as well as moving on a treadmill.“This will revolutionize equine imaging,” said Dr. Barbara Dallap Schaer, Medical Director of New Bolton Center, the large-animal hospital of the University of Pennsylvania School of Veterinary Medicine.

Existing CT systems require the horse to be anesthetized, and are limited to the parts of the animal that fit into the cylindrical machines.

The EQUIMAGINE™ system’s robotics-driven design provides an unlimited range of motion and unencumbered access to the horse’s entire anatomy. The quality and resolution of the real-time images created with the system far exceeds existing technology.

“The open structure of the scanner will allow us to capture high-quality CT images of the standing horse that we have had difficulty imaging before,” Dallap Schaer said. “We will be working to develop protocols to diagnose problems in the lower neck, back, pelvis, and upper part of the legs.”

The system will be important not only for clinical use in the hospital, but also for research and teaching.

The equipment will be installed in New Bolton Center’s high-speed treadmill building in December. This acquisition was funded in part by a generous gift from the estate of Mimi Thorington. Additional gifts will be sought to integrate the new technology into the clinical and research programs at New Bolton Center.

“Partnering with a world-class institution like Penn Vet is a priority for us as we transition from research to commercial application,” said Michael Silver, Chief Operating Officer of 4DDI, based in New York City.

Dr. Dean Richardson, Chief of Surgery at New Bolton Center, will provide clinical orthopedic expertise for the further refinement of the new system. Richardson has vast experience using imaging for treating horses with serious fractures.

“We routinely perform CT-assisted surgery with a much less versatile unit. Adding the ability to conduct CT scans on standing horses will improve the accuracy of both diagnosis and treatment,” Richardson said.

The new four-dimensional imaging is much more detailed, Richardson added, and can help to identify not only a fracture, but also its specific characteristics: location, depth, and breadth. He anticipates using the new technology to help prevent injuries, especially in racehorses.

“We believe that the technology will allow early identification of horses with incomplete “occult” fractures in areas that can proceed to catastrophic failure,” Richardson said. “We also are interested in working with other researchers around the world examining the relationship of the three-dimensional structure of a horse’s bone and its risk of fracture.”

One of the reasons 4DDI chose New Bolton Center to install its inaugural four-robot system is because of the skill and experience of the clinicians and researchers, Silver said. “Everyone there is absolutely incredible,” he said. “We are looking at this as a partnership. There is a lot of trust involved.”

A dedicated specialist from 4DDI will work with New Bolton Center clinicians during the first year to develop the capabilities of the system. In addition, radiologist Dr. Chris Ryan is joining New Bolton Center’s staff as part of the project.

Dr. JoAnn Slack, Associate Professor of Cardiology and Ultrasound in New Bolton Center’s Sports Medicine Section, will manage the clinical diagnostic use of the system.

“In sport horses, subtle problems of the neck, back, and pelvis affect performance, and are areas of substantial concern for riders and trainers,” Slack said. “Having the ability to image these areas more effectively will greatly improve our understanding and enable us to provide a more accurate diagnosis.”

The fluoroscopy and CT capabilities of the system have tremendous potential for advancing cardiovascular imaging and treatment, Slack added.

4DDI is expecting to gather first-ever images and important analysis on the system’s ability to image a moving horse. The four-robot system is capable of producing several distinctive modalities, unencumbered by an enclosed gantry or a C-arm, making it possible to scan any part of the horse.

The modalities include: CT, fluoroscopy, tomosynthesis, digital radiography, and a high-speed radiographic camera that will be able to operate at up to 16,000 frames per second.

The ability to assess the musculoskeletal system, not only in a weight- bearing position, but also while in motion, allows for new areas of assessment in the performance animal never before encountered, Silver said.

“The best analogy to illustrate the difference between EQUIMAGINE™ and current imaging technology is to envision the deep, inaccessible parts of the ocean that we know are there but have not before explored,” he said. “Our system will open up these uncharted regions.”

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